Elimination of flux-transformer crosstalk in multichannel SQUID magnetometers

Hermanus J.M. ter Brake, F.H. Fleuren, J.A. Ulfman, Jakob Flokstra

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Multichannel SQUID magnetometers are being developed for signal-field mapping in biomagnetic experiments. A problem that becomes more serious as the number of channels is increased is the crosstalk caused by the mutual inductances between the individual sensing coils. A simple and effective method for eliminating this crosstalk is presented in this Paper. The method is based on a rearrangement of the feedback loops which causes the flux-transformer circuits to become currentless. The feasibility of the method is verified experimentally.
Original languageUndefined
Pages (from-to)667-670
Issue number12
Publication statusPublished - 1986


  • magnetometers
  • magnetic fields
  • SQUIDs
  • IR-69713

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